DISPLAY WITH TWO BINARY SPATIAL LIGHT MODULATORS

A display (10) has first and second spatial light modulators for modulating light from a light source. The first spatial light modulator (14) has a plurality of elements (16) switchable between ON and OFF states according to a pattern having a spatially-varying density. Transfer optics (26) blur and...

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Bibliographische Detailangaben
Hauptverfasser:	DAMBERG, Gerwin, SEETZEN, Helge, WARD, Gregory J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A display (10) has first and second spatial light modulators for modulating light from a light source. The first spatial light modulator (14) has a plurality of elements (16) switchable between ON and OFF states according to a pattern having a spatially-varying density. Transfer optics (26) blur and carry light modulated by the first spatial light modulator to the second spatial light modulator (20) to yield a light field at the second spatial light modulator. The second spatial light modulator has a plurality of elements (22) switchable between ON and OFF states to perform temporal dithering of the light field to provide a reconstruction of the image.